TRIPLET-EPR SPECTROSCOPY ON THE DIELS-ALDER ADDUCT OF C-60 AND 4,5-DIMETHOXY-O-QUINODIMETHANE IN FROZEN SOLUTION

被引:17
作者
BENNATI, M [1 ]
GRUPP, A [1 ]
MEHRING, M [1 ]
PAVEL, B [1 ]
GUGEL, A [1 ]
MULLEN, K [1 ]
机构
[1] MAX PLANCK INST POLYMER RES,D-55128 MAINZ,GERMANY
关键词
D O I
10.1016/0009-2614(95)00559-M
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Pulsed-EPR spectroscopy was used to study a modified C-60 molecule (1) in its photoexcited triplet state. The analysis of the triplet EPR lineshape shows a break of the high symmetry of the lowest populated triplet state of C-60 due to the modification of the C-60 unity. The reported temperature dependence of the spectra is influenced by relaxation effects. Lineshape simulations based on a triplet Hamiltonian including anisotropic T-1/T-2 relaxation were performed. The results are discussed in relation to the behaviour of pure C-3(60).
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页码:622 / 626
页数:5
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